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Bresser Messier AR-102L/1350 EXOS-1/EQ4 telescope


Quick Overview

Bresser Messier AR-102L/1350 EXOS-1/EQ4 telescope

  • Excellent focuser with 65mm open diameter

  • D= 102mm; F=1350mm; F/13.2

  • Handle with integrated camera holder

  • 50.8mm to 31.7mm adapter with integrated T2-thread

  • 6x30 optical finder with crosshair

  • Universal Vixen profile 44mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)

  • optimized finder bracket for comfortable usage

  • Equatorial mount EXOS 1 with GP-Level dovetail plate and robust steel tripod can support optical tubes weighing up to 7kg for stable visual observations

  • The optional motor drive for the RA axis available, enabling tracking of objects, once centred in the telescope

Only 2 left

Availability: In stock



Bresser Messier AR-102L/1350 EXOS-1/EQ4 telescope - a classical, long focal ratio 4" (102mm) aperture achromatic refractor, which will offer excellent views of the Moon and brighter planets and has the unobstructed aperture to deliver very good performance when observing brighter deep sky objects as well.  Featuring the "snap to focus" thatrefractors are famed for, this instrument is a joy to use and has some features that really make it stand out from the opposition.  Firstly, the Hexafoc hexagonal profile focuser is class leading and ensures that there's no chance of decentring or focuser sag - no matter what way the telescope is pointed in the sky.  This focuser features a generous 2.5" internal aperture and coems with a extension tube, which must be fitted to the focuser in order to use it visually.  Remove this extension tube and the telescope is free to be used in prime focus astrophotographic position for connection of DSLRs, which can be attached directly to the T-2 male thread around the telescope's 2" to 1.25" adpater ring (supplied).

The extra-long focal length ratio (F/13.2) this telescope offers incredible sharpness and contrast, but extremly low chromatic abberation for an Achromatic refractor. The telescope is also supplied with a standard 6x30mm finderscope, for precise pointing and also comes with a good quality 1.25" 26mm Super Plossl eyepiece (a distinct step up in optical quality over the ordninary standard modified achromatic eyepiecces supplied with most telescopes) and a standard 1.25" star diagonal.

The Bresser Exos-1 Mount is a German Equatorial design which can safely support payloads of up to 7kgs for visual use.  The Exos-1 mount is ideal for supporting tlescopes of the aperture and focal length of the Bresser Messier 102L/1350 and can also be motorised in RA in order to keep objects in the field of view once found.  In standard manual configuration, the mount is supplied with two flexible control cables, which allow the user to make precise manual adjustment using the geared RA and Dec axes.  The mount's saddle plate takes a standard Vixen-profile dovetail fitting, menign that a wealth of other telescopes and accessories could potentially be fitted to it.


  • Excellent focuser with 2.5" (65mm) open diameter

  • 6x30 straight through viewfinder

  • optimized finder bracket for comfortable use

  • 31.7mm (1.25") diagonal mirror

  • Cradle rings with handle and integrated piggyback camera holder (1/4" thread)

  • Universal 44mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)

  • 50.8mm (2") to 31.7mm (1.25") adapter with integrated T2 thread (optional T2-adapter ring for your camera is needed)

  • optional RA tracking motor available - part No. 4951600

  • optional 1:10 gear reduction for focuser available - part No. 0625720


  • optical tube

  • Eyepiece: 26 mm Super Ploessl 31.7mm (1.25")

  • 2" eyepiece adapter

  • 6x30 viewfinder 

  • Tube clamp with handly and camera adapter

  • 31.7mm (1.25") diagonal mirror 

  • EXOS 1 German equatorial mount

  • steel tube field tripod

  • counter-weight 4.5kg

  • PC Software Stellarium

  • Manual

  • Moon map


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